ABB OT16G1-4DQN2 four-pole OT Plus switch disconnector with 16 A rating, Quick-spring terminals and door-mounted operation for industrial electrical isolation.
£61.39
The ABB 1SCA163378R1001, also known as the OT16G1-4DQN2, is a compact and dependable four-pole switch disconnector designed for safe manual isolation of low-voltage electrical circuits. As part of the proven ABB OT Plus switch disconnector range, it provides reliable switching performance for industrial control panels, OEM machinery and electrical distribution systems.
This model features a door-mounted, front-operated design with integrated Quick-spring terminals, enabling fast installation and secure electrical connections. It is supplied without an operating handle or shaft, allowing installers to choose the most suitable external operating accessories for their application.
With a 16 A rated operational current, four-pole configuration and suitability for systems up to 800 V AC, the ABB OT16G1-4DQN2 is ideal for isolating three-phase circuits with neutral switching in industrial machinery and power distribution installations.
Switch disconnectors provide a safe means of manually isolating electrical circuits before maintenance, inspection and servicing. The ABB OT Plus range combines robust mechanical construction with compact dimensions, making it suitable for demanding industrial environments.
The ABB OT16G1-4DQN2 offers reliable switching performance together with rapid installation thanks to its Quick-spring terminals. Its flexible door-mounted design makes it well suited to electrical control panels, machine building and industrial power distribution systems.
| Current | 16 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | OT Plus Switch Disconnectors |
| Model | OT16G1-4DQN2 |
| Order code | 1SCA163378R1001 |
| Product type | Switch disconnector |
| Rated operational current | 16 A |
| Rated operational voltage | Up to 800 V AC |
| Rated insulation voltage (Ui) | 800 V |
| Number of poles | 4 |
| Mounting type | Door mounted |
| Operation | Front operated |
| Terminal type | Quick-spring terminals |
| Protection rating | IP20 from the front |
| Operating handle | External handle and shaft required (not included) |
| Frame size | G1 |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
It is used to safely isolate four-pole electrical circuits in industrial machinery, control panels and low-voltage power distribution systems.
The ABB OT16G1-4DQN2 features a four-pole configuration, making it suitable for three-phase systems with neutral isolation.
The switch has a 16 A rated operational current.
No. The switch is supplied without an operating handle, allowing a compatible external handle and shaft to be selected separately.
The ABB OT16G1-4DQN2 features integrated Quick-spring terminals for fast installation and secure electrical connections.
ABB OT Plus switch disconnectors are trusted by electrical engineers, machine builders and panel manufacturers for dependable electrical isolation, compact installation and reliable long-term performance in industrial environments.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...